substack.com — September 2026 traffic, keywords & AI visibility

Search engines send substack.com an estimated 25.4 million visits a month. Effectively all of it is organic — about 25.4 million visits from unpaid results. Spread across 3.9 million ranking keywords, that averages roughly 6.5 organic visits per keyword.

substack.com scores 80 out of 100 on our AI visibility scale, grade A. It takes full marks for LLMS.txt and Crawlability. The biggest gap is SEO health, at 11 of 20 points (54/100), worth 9 points if closed. It also loses points on Company profile (19/25) and Structured data (0/5).

The llms.txt on substack.com runs to 150 lines (7,278 characters) across 12 sections, last generated in May 2026. It introduces the site as "Substack". It tells AI engines the business works in Digital Publishing, Creator Economy and Email Newsletters. It describes 4 products, with prices such as Substack Pro at $10/month, Newsletter Hosting at Free and Recommendations Network at Free. Services it lists include Paid Subscriptions, Audience Analytics, Payment Processing and Content Discovery. The audience it names is Content creators, journalists, independent writers, aged 25-55 (Global). Technologies it mentions include HTTPS, React.js, PostgreSQL, Stripe and SendGrid. The keywords it claims start with "independent voices", "newsletter", "publishing" and "writers".

# Substack

## About
Substack is a platform that lets writers publish newsletters and connect directly with readers, handling everything from sign-ups to payments. Creators keep most of the revenue, building sustainable businesses without relying on ads or algorithms. It started as a simple email tool but evolved into a full media hub with podcasts and discussions. Independent voices thrive here, from niche experts to big-name authors ditching traditional outlets. The value is in ownership—your list, your content, your income. Substack's growth exploded during the pandemic as people sought fresh perspectives. Features like cross-promotions help small pubs gain traction fast. No gatekeepers means diverse topics flourish, from politics to cooking. Creators rave about the analytics and seamless paid tiers. It's global, with users everywhere turning hobbies into careers. Challenges include spam but moderation keeps it clean. Investors poured in because it's disrupting media. Mobile apps make it easy on the go. Payouts hit hundreds of millions, proving the model. Substack fosters community beyond reading, with chats and events. It's not just tech; it's a philosophy of direct support. Top pubs earn life-changing money monthly. Expansion into video looms next. For creators tired of platforms taking cuts, Substack delivers freedom. The future looks bright as more flock to creator-led m

Google lists substack.com for about 3.9 million keywords, which together bring an estimated 25.4 million organic visits a month.

The latest technical audit of substack.com scored 66 out of 100 overall. Performance is its weakest area at 34, while accessibility scores highest at 78. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.

Substack's company profile names ghost.org, patreon.com, medium.com and beehiiv.com as competitors. Its own llms.txt adds https://blogger.com, https://wordpress.com and https://mailchimp.com. Outside its market, the domains ranked closest to it in our worldwide ranking are chinamobile.com, aliexpress.com, paloaltonetworks.com and kwaipros.com.

ghost.org

patreon.com

medium.com

beehiiv.com

https://blogger.com

https://wordpress.com

https://mailchimp.com